Research Interests: Evolutionary psychology, human nature, sexual selection, mutual mate choice, ovulatory cycle effects, mental fitness indicators (creativity, humor, art, music, moral virtues) Behavior genetics, psychometrics, individual differences, intelligence, personality traits, mental disorders Applied evolutionary psychology: Consumer behavior, market research, behavioral economics, virtue-signaling, Effective Altruism, existential risks, consulting, policy, Paleo health and evolutionary medicine Popular science outreach through books, articles, blogs, podcasts, social media, museum exhibitions